CVE-2019-9746: webmproject libwebm NULL Pointer Dereference
CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2019-9746
Published 13-03-2019Last modified 16-09-2024
Vulnerability summary
CVE-2019-9746 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in webmproject libwebm. EPSS estimates a 1.64% chance of exploitation in the next 30 days, higher than 76.1% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
1.64%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 13-03-2019PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
In libwebm before 2019-03-08, a NULL pointer dereference caused by the functions OutputCluster and OutputTracks in webm_info.cc will trigger an abort, which allows a DoS attack, a similar issue to CVE-2018-19212.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.64%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
0.00 pp
From 1.64% on 20-09-2026
20-09-202620-10-2026
EPSS score1.64%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu2 products
- oxide-qtAll versions (No fix recorded)
- qtwebengine-opensource-srcAll versions (No fix recorded)
Webmproject1 product
- libwebm≤ 1.0.0.27
2 vendors · 3 products
References
5 links- bugs.chromium.org/p/webm/issues/detail?id=1605X Refsource MISCREPORTPermissions RequiredThird Party Advisory
- chromium.googlesource.com/webm/libwebm/+/2427abe0bde234987ed005a3adca461e9a85dfb7X Refsource MISCREPORTMailing ListPatchThird Party Advisory